Economical Corrosive Gas
High Purity Line Regulator
Series 3451L
Description
The 3451L Series line regulators are designed to suit a large variety of applications. The installation of Monel® internal parts into a stainless steel body creates an economical, high purity line regulator for corrosive gas service.
Features
- Capable of large flows with only a small pressure drop.
- Monel® internal construction for increased corrosion resistance.
- High purity diffusion resistant, metal diaphragm construction.
- Encapsulated seat.
- Diffusion resistant, stainless steel diaphragm packless control valve installed on the outlet as standard.
- Designed to pass an inboard helium leak-rate test of 1x10-9 cc per sec.
- All parts ultrasonically cleaned prior to assembly.
- Rear panel mounting holes.
Applications
The 3451L Series is an excellent choice for corrosive gas flow applications with low inlet pressures and low differential pressure between regulator inlet and outlet.
Specifications
- Max. Inlet Pressure: 3000 psig
- Operating Temp. Range: -40° to +185°F.
- Flow Coefficient (Cv): 0.08 standard
- Inlet and Outlet: 1/4" NPT female
- Outlet Valve Standard
How To Order***
| Model Number | Del. Press. Range psig | Del. Press. Gauge psig | |
|---|---|---|---|
| 3451L-10 | 5-25 | 0-60 | |
| 3451L-25 | 5-50 | 0-100 | |
| 3451L-50 | 10-100 | 0-200 | |
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Outlet Options
| P/N Suffix | |
|---|---|
| No Outlet Valve | NV |
| 1/4" Compression Fitting | T4F |
| 1/8" Compression Fitting | T2F |
| 1/4" NPT Male | P4M |
Materials of Construction
- Body: 316 stainless steel
- Nozzle Assembly: 316 stainless steel
- Diaphragm: stainless steel
- Seat: Kel-F®
- Diaphragm Seal: Teflon®
- Inlet Filter: stainless steel
- Bonnet: nickel plated aluminum
- Gauge: stainless steel
- Knob: aluminum - black anodized
